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show image of the link on mouse over

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show image of the link on mouse over

 
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  #1
Jun 7th, 2007
Hi there:
This specific to the messages posted by members for various sections on this forum.
when I read through the message text, and if the member has typed in some link of other site, on mouse over of this link i see small image of the link contents.
I wanted to know how to do that?
Are the images stored in the database and shown on mouse over or its something else.
Thanks
sbhalla15
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Re: show image of the link on mouse over

 
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  #2
Jun 7th, 2007
Something like this?
I don't accept change; I don't deserve to live.
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Re: show image of the link on mouse over

 
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  #3
Jun 8th, 2007
Yes. Thats what i am looking for.
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Re: show image of the link on mouse over

 
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  #4
Feb 29th, 2008
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Originally Posted by ~s.o.s~ View Post
Something like this?
I am looking to have the mouseover affect you showcased above. How can I accomplsih this?
Thanks in advance
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Re: show image of the link on mouse over

 
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  #5
Apr 15th, 2008
can anybudy give me the javascript code for show image of the link on mouse over.
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Re: show image of the link on mouse over

 
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  #6
Apr 15th, 2008
There exist such a service, Very short code, easy to install and customisable

http://www.snap.com/snapshots.php

or You can Host And use This code

JavaScript / DHTML / AJAX Syntax (Toggle Plain Text) 
  1. /*
  2.  
  3. Link Thumbnail v2.0.1
  4. (c) Arc90, Inc.
  5.  
  6. http://www.arc90.com
  7. http://lab.arc90.com
  8.  
  9. Licensed under : Creative Commons Attribution 2.5 http://creativecommons.org/licenses/by/2.5/
  10.  
  11. */
  12.  
  13. /* Globals */
  14. var arc90_navigator = navigator.userAgent.toLowerCase();
  15. var arc90_isOpera = arc90_navigator.indexOf('opera') >= 0? true: false;
  16. var arc90_isIE = arc90_navigator.indexOf('msie') >= 0 && !arc90_isOpera? true: false;
  17. var arc90_isSafari = arc90_navigator.indexOf('safari') >= 0 || arc90_navigator.indexOf('khtml') >= 0? true: false;
  18. var arc90_linkThumbUseClassName = true;
  19.  
  20. var arc90_linksources = [['http://images.websnapr.com/?size=s&url=', 202, 152],
  21. 						  ['http://thumbnails.alexa.com/image_server.cgi?size=small&url=', 160, 120],
  22. 						  ['http://msnsearch.srv.girafa.com/srv/i?s=MSNSEARCH&r=', 160, 120]];
  23. var arc90_linksource = 0;
  24.  
  25. function arc90_linkpic() {
  26. 	var b = document.domain;
  27. 	var A = document.getElementsByTagName('A');
  28.  
  29. 	for (var i = 0, l = A.length, c = 0; i < l; i++) {
  30. 		var a = A[i];
  31. 		var h = a.href;
  32. 		if ((b == '' || h.indexOf(b) < 0) && h.indexOf('://') > 0 && ((arc90_linkThumbUseClassName && a.className.indexOf('linkthumb') >= 0) || !arc90_linkThumbUseClassName)) {
  33. 			try {
  34. 				a.className += ' arc90_linkpicLNK';
  35. 				if (a.id == '')
  36. 					a.id = 'arc90_link'+ i;
  37. 				var d = arc90_newNode('div', 'arc90_linkpic'+ i, 'arc90_linkpic');
  38. 				var m = arc90_newNode('img', '', 'arc90_linkpicIMG');
  39. 				// var n = h.replace(/[^:]*:\/\/([^:\/]*)(:{0,1}\/{1}.*)/, '$1');
  40. 				var n = escape(h);
  41. 				m.src = arc90_linksources[arc90_linksource][0] + n;
  42. 				m.width = arc90_linksources[arc90_linksource][1];
  43. 				m.height = arc90_linksources[arc90_linksource][2];
  44. 				m.style.width = arc90_linksources[arc90_linksource][1] +'px';
  45. 				m.style.height = arc90_linksources[arc90_linksource][2] +'px';
  46. 				m.border = 0;
  47. 				m.alt = '[Picture of '+ n +']';
  48. 				m.title = a.title;
  49. 				d.style.zIndex = '9999';
  50. 				d.style.position = 'absolute';
  51.  
  52. 				d.appendChild(m);
  53. 				document.body.appendChild(d);
  54.  
  55. 				arc90_addEvent(a, 'mouseover',	function () { arc90_showThumb(arc90_isIE? event.srcElement.id: this.id); } );
  56. 				arc90_addEvent(a, 'mouseout',	function () { arc90_hideThumb(arc90_isIE? event.srcElement.id: this.id); } );
  57. 			} catch(err) {
  58. 				a = null;
  59. 			}
  60. 		}
  61. 	}
  62. }
  63.  
  64. function arc90_showThumb(id) {
  65. 	try {
  66. 		var k = document.getElementById(id);
  67. 		var top = arc90_findDimension(k, 'Top');
  68. 		var lnh = arc90_getStyle(k, 'lineHeight', 'font-size');
  69. 		var default_height = 20;
  70.  
  71. 		if (!lnh)
  72. 			lnh = default_height;
  73. 		else if (lnh.indexOf('pt') > 0)
  74. 			lnh = parseInt(lnh) * 1.3;
  75. 		else if (lnh.indexOf('em') > 0)
  76. 			lnh = parseInt(lnh) * 10;
  77. 		else if (lnh.indexOf('px') > 0)
  78. 			lnh = parseInt(lnh);
  79. 		else if (arc90_isNumeric(lnh))
  80. 			lnh = parseInt(arc90_isIE? lnh * 10: arc90_isOpera? lnh/100: lnh); // IE brings back em units
  81. 		else
  82. 			lnh = default_height;
  83. 		var lft = arc90_findDimension(k, 'Left');
  84. 		var nlf = arc90_findMatchingDimensionViaNodes(k, 'Left', lft, 0);
  85. 		var pid = id.replace(/arc90_link/, 'arc90_linkpic');
  86. 		var p = document.getElementById(pid);
  87. 		p.style.display = 'block';
  88. 		p.style.top = (top + (arc90_isIE && nlf? lnh + 8: 4) + lnh) + 'px';
  89. 		p.style.left = lft + 'px';
  90. 	} catch(err) { return; }
  91. }
  92.  
  93. function arc90_hideThumb(id) {
  94. 	try {
  95. 		var k = document.getElementById(id);
  96. 		var pid = id.replace(/arc90_link/, 'arc90_linkpic');
  97. 		var p = document.getElementById(pid);
  98. 		p.style.display = 'none';
  99. 	} catch(err) { return; }
  100. }
  101.  
  102. function arc90_getStyle(obj, styleIE, styleMoz) {
  103. 	if (arc90_isString(obj)) obj = document.getElementById(obj);
  104. 	if (obj.currentStyle)
  105. 		return obj.currentStyle[styleIE];
  106. 	else if (window.getComputedStyle)
  107. 		return document.defaultView.getComputedStyle(obj, null).getPropertyValue(styleMoz);
  108. }
  109.  
  110. function arc90_findDimension(obj, pType) {
  111. 	if (arc90_isString(obj)) obj = document.getElementById(obj);
  112. 	var cur = 0;
  113. 	if(obj.offsetParent)
  114. 		while(obj.offsetParent) {
  115. 			switch(pType.toLowerCase()) {
  116. 			case "width":
  117. 				cur += obj.offsetWidth; break;
  118. 			case "height":
  119. 				cur += obj.offsetHeight; break;
  120. 			case "top":
  121. 				cur += obj.offsetTop; break;
  122. 			case "left":
  123. 				cur += obj.offsetLeft; break;
  124. 			}
  125. 			obj = obj.offsetParent;
  126. 		}
  127. 	return cur;
  128. }
  129.  
  130. function arc90_findMatchingDimensionViaNodes(obj, pType, matching, notMatching) {
  131. 	var cur = 0, counter = 0;
  132. 	notMatching = notMatching == null? -1: notMatching;
  133. 	if(obj.parentNode)
  134. 		while(obj.parentNode) {
  135. 			cur = arc90_findDimension(obj, pType);
  136. 			if (cur == matching && cur != notMatching)
  137. 				counter++;
  138. 			if (counter >= 2) return true;
  139. 			obj = obj.parentNode;
  140. 		}
  141. 	return false;
  142. }
  143.  
  144. /* Events */
  145. function arc90_isString(o) { return (typeof(o) == "string"); }
  146.  
  147. function arc90_isNumeric(o) { return (typeof(parseFloat(o).toString() == 'NaN'? 'xxx': parseFloat(o)) == "number" && parseFloat(o) != ''); }
  148.  
  149. function arc90_addEvent(e, meth, func, cap) {
  150. 	if (arc90_isString(e))	e = document.getElementById(e);
  151.  
  152. 	if (e.addEventListener){
  153. 		e.addEventListener(meth, func, cap);
  154.     	return true;
  155. 	}	else if (e.attachEvent)
  156. 		return e.attachEvent("on"+ meth, func);
  157. 	return false;
  158. }
  159.  
  160. /* Nodes */
  161. function arc90_newNode(t, i, s, x, c) {
  162. 	var node = document.createElement(t);
  163. 	if (x != null && x != '') {
  164. 		var n = document.createTextNode(x);
  165. 		node.appendChild(n);
  166. 	}
  167. 	if (i != null && i != '')
  168. 		node.id = i;
  169. 	if (s != null && s != '')
  170. 		node.className = s;
  171. 	if (c != null && c != '')
  172. 		node.appendChild(c);
  173. 	return node;
  174. }
  175.  
  176. /* Onload */
  177. arc90_addEvent(window, 'load', arc90_linkpic);
Always carry a flagon of whiskey in case of snakebite and furthermore always carry a small snake.
W. C. Fields
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Re: show image of the link on mouse over

 
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  #7
Apr 15th, 2008
thnx inny
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Re: show image of the link on mouse over

 
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  #8
Apr 15th, 2008
Your Most welcome, Quick easy help Is always Nice!
Always carry a flagon of whiskey in case of snakebite and furthermore always carry a small snake.
W. C. Fields
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Re: show image of the link on mouse over

 
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  #9
Jul 10th, 2008
very informative posts for me. thanks to all.
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Re: show image of the link on mouse over

 
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  #10
Jul 21st, 2009
Hi Inny ,

I tried ur examples given for thumbnail showing on links. These are working for links which are static but not working for dynamic links (links which are given in DHTML)

Please help me out.

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Originally Posted by Inny View Post
There exist such a service, Very short code, easy to install and customisable

http://www.snap.com/snapshots.php

or You can Host And use This code

JavaScript / DHTML / AJAX Syntax (Toggle Plain Text) 
  1. /*
  2.  
  3. Link Thumbnail v2.0.1
  4. (c) Arc90, Inc.
  5.  
  6. http://www.arc90.com
  7. http://lab.arc90.com
  8.  
  9. Licensed under : Creative Commons Attribution 2.5 http://creativecommons.org/licenses/by/2.5/
  10.  
  11. */
  12.  
  13. /* Globals */
  14. var arc90_navigator = navigator.userAgent.toLowerCase();
  15. var arc90_isOpera = arc90_navigator.indexOf('opera') >= 0? true: false;
  16. var arc90_isIE = arc90_navigator.indexOf('msie') >= 0 && !arc90_isOpera? true: false;
  17. var arc90_isSafari = arc90_navigator.indexOf('safari') >= 0 || arc90_navigator.indexOf('khtml') >= 0? true: false;
  18. var arc90_linkThumbUseClassName = true;
  19.  
  20. var arc90_linksources = [['http://images.websnapr.com/?size=s&url=', 202, 152],
  21. 						  ['http://thumbnails.alexa.com/image_server.cgi?size=small&url=', 160, 120],
  22. 						  ['http://msnsearch.srv.girafa.com/srv/i?s=MSNSEARCH&r=', 160, 120]];
  23. var arc90_linksource = 0;
  24.  
  25. function arc90_linkpic() {
  26. 	var b = document.domain;
  27. 	var A = document.getElementsByTagName('A');
  28.  
  29. 	for (var i = 0, l = A.length, c = 0; i < l; i++) {
  30. 		var a = A[i];
  31. 		var h = a.href;
  32. 		if ((b == '' || h.indexOf(b) < 0) && h.indexOf('://') > 0 && ((arc90_linkThumbUseClassName && a.className.indexOf('linkthumb') >= 0) || !arc90_linkThumbUseClassName)) {
  33. 			try {
  34. 				a.className += ' arc90_linkpicLNK';
  35. 				if (a.id == '')
  36. 					a.id = 'arc90_link'+ i;
  37. 				var d = arc90_newNode('div', 'arc90_linkpic'+ i, 'arc90_linkpic');
  38. 				var m = arc90_newNode('img', '', 'arc90_linkpicIMG');
  39. 				// var n = h.replace(/[^:]*:\/\/([^:\/]*)(:{0,1}\/{1}.*)/, '$1');
  40. 				var n = escape(h);
  41. 				m.src = arc90_linksources[arc90_linksource][0] + n;
  42. 				m.width = arc90_linksources[arc90_linksource][1];
  43. 				m.height = arc90_linksources[arc90_linksource][2];
  44. 				m.style.width = arc90_linksources[arc90_linksource][1] +'px';
  45. 				m.style.height = arc90_linksources[arc90_linksource][2] +'px';
  46. 				m.border = 0;
  47. 				m.alt = '[Picture of '+ n +']';
  48. 				m.title = a.title;
  49. 				d.style.zIndex = '9999';
  50. 				d.style.position = 'absolute';
  51.  
  52. 				d.appendChild(m);
  53. 				document.body.appendChild(d);
  54.  
  55. 				arc90_addEvent(a, 'mouseover',	function () { arc90_showThumb(arc90_isIE? event.srcElement.id: this.id); } );
  56. 				arc90_addEvent(a, 'mouseout',	function () { arc90_hideThumb(arc90_isIE? event.srcElement.id: this.id); } );
  57. 			} catch(err) {
  58. 				a = null;
  59. 			}
  60. 		}
  61. 	}
  62. }
  63.  
  64. function arc90_showThumb(id) {
  65. 	try {
  66. 		var k = document.getElementById(id);
  67. 		var top = arc90_findDimension(k, 'Top');
  68. 		var lnh = arc90_getStyle(k, 'lineHeight', 'font-size');
  69. 		var default_height = 20;
  70.  
  71. 		if (!lnh)
  72. 			lnh = default_height;
  73. 		else if (lnh.indexOf('pt') > 0)
  74. 			lnh = parseInt(lnh) * 1.3;
  75. 		else if (lnh.indexOf('em') > 0)
  76. 			lnh = parseInt(lnh) * 10;
  77. 		else if (lnh.indexOf('px') > 0)
  78. 			lnh = parseInt(lnh);
  79. 		else if (arc90_isNumeric(lnh))
  80. 			lnh = parseInt(arc90_isIE? lnh * 10: arc90_isOpera? lnh/100: lnh); // IE brings back em units
  81. 		else
  82. 			lnh = default_height;
  83. 		var lft = arc90_findDimension(k, 'Left');
  84. 		var nlf = arc90_findMatchingDimensionViaNodes(k, 'Left', lft, 0);
  85. 		var pid = id.replace(/arc90_link/, 'arc90_linkpic');
  86. 		var p = document.getElementById(pid);
  87. 		p.style.display = 'block';
  88. 		p.style.top = (top + (arc90_isIE && nlf? lnh + 8: 4) + lnh) + 'px';
  89. 		p.style.left = lft + 'px';
  90. 	} catch(err) { return; }
  91. }
  92.  
  93. function arc90_hideThumb(id) {
  94. 	try {
  95. 		var k = document.getElementById(id);
  96. 		var pid = id.replace(/arc90_link/, 'arc90_linkpic');
  97. 		var p = document.getElementById(pid);
  98. 		p.style.display = 'none';
  99. 	} catch(err) { return; }
  100. }
  101.  
  102. function arc90_getStyle(obj, styleIE, styleMoz) {
  103. 	if (arc90_isString(obj)) obj = document.getElementById(obj);
  104. 	if (obj.currentStyle)
  105. 		return obj.currentStyle[styleIE];
  106. 	else if (window.getComputedStyle)
  107. 		return document.defaultView.getComputedStyle(obj, null).getPropertyValue(styleMoz);
  108. }
  109.  
  110. function arc90_findDimension(obj, pType) {
  111. 	if (arc90_isString(obj)) obj = document.getElementById(obj);
  112. 	var cur = 0;
  113. 	if(obj.offsetParent)
  114. 		while(obj.offsetParent) {
  115. 			switch(pType.toLowerCase()) {
  116. 			case "width":
  117. 				cur += obj.offsetWidth; break;
  118. 			case "height":
  119. 				cur += obj.offsetHeight; break;
  120. 			case "top":
  121. 				cur += obj.offsetTop; break;
  122. 			case "left":
  123. 				cur += obj.offsetLeft; break;
  124. 			}
  125. 			obj = obj.offsetParent;
  126. 		}
  127. 	return cur;
  128. }
  129.  
  130. function arc90_findMatchingDimensionViaNodes(obj, pType, matching, notMatching) {
  131. 	var cur = 0, counter = 0;
  132. 	notMatching = notMatching == null? -1: notMatching;
  133. 	if(obj.parentNode)
  134. 		while(obj.parentNode) {
  135. 			cur = arc90_findDimension(obj, pType);
  136. 			if (cur == matching && cur != notMatching)
  137. 				counter++;
  138. 			if (counter >= 2) return true;
  139. 			obj = obj.parentNode;
  140. 		}
  141. 	return false;
  142. }
  143.  
  144. /* Events */
  145. function arc90_isString(o) { return (typeof(o) == "string"); }
  146.  
  147. function arc90_isNumeric(o) { return (typeof(parseFloat(o).toString() == 'NaN'? 'xxx': parseFloat(o)) == "number" && parseFloat(o) != ''); }
  148.  
  149. function arc90_addEvent(e, meth, func, cap) {
  150. 	if (arc90_isString(e))	e = document.getElementById(e);
  151.  
  152. 	if (e.addEventListener){
  153. 		e.addEventListener(meth, func, cap);
  154.     	return true;
  155. 	}	else if (e.attachEvent)
  156. 		return e.attachEvent("on"+ meth, func);
  157. 	return false;
  158. }
  159.  
  160. /* Nodes */
  161. function arc90_newNode(t, i, s, x, c) {
  162. 	var node = document.createElement(t);
  163. 	if (x != null && x != '') {
  164. 		var n = document.createTextNode(x);
  165. 		node.appendChild(n);
  166. 	}
  167. 	if (i != null && i != '')
  168. 		node.id = i;
  169. 	if (s != null && s != '')
  170. 		node.className = s;
  171. 	if (c != null && c != '')
  172. 		node.appendChild(c);
  173. 	return node;
  174. }
  175.  
  176. /* Onload */
  177. arc90_addEvent(window, 'load', arc90_linkpic);
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