www.gusucode.com > 易心博客[圣诞版] 3.5手动安装码程序 > Plugin/PhotoPreview/main.js

    /*
 * Image preview script 
 * powered by jQuery (http://www.jquery.com)
 * 
 * written by Alen Grakalic (http://cssglobe.com)
 * 
 * for more info visit http://cssglobe.com/post/1695/easiest-tooltip-and-image-preview-using-jquery
 *
 */
 
this.imagePreview = function(){	
	/* CONFIG */
		
		xOffset = 10;
		yOffset = 30;
		
		// these 2 variable determine popup's distance from the cursor
		// you might want to adjust to get the right result
		
	/* END CONFIG */
	$("a.preview").hover(function(e){
		this.t = this.title;
		this.title = "";	
		var c = (this.t != "") ? "<br/>" + this.t : "";
		$("body").append("<p id='preview'><img src='"+ this.id +"' alt='Image preview' />"+ c +"</p>");								 
		$("#preview")
			.css("top",(e.pageY - xOffset) + "px")
			.css("left",(e.pageX + yOffset) + "px")
			.fadeIn("fast");						
    },
	function(){
		this.title = this.t;	
		$("#preview").remove();
    });	
	$("a.preview").mousemove(function(e){
		$("#preview")
			.css("top",(e.pageY - xOffset) + "px")
			.css("left",(e.pageX + yOffset) + "px");
	});			
};
this.PreviewCheckExt=function(Url)
  {
	var Ext="jpg|bmp|gif|png";
	var Url=Url.toLowerCase();
	Ext=Ext.split("|");
	for(var i=0;i<Ext.length;i++)
	{
		if (Url.indexOf(Ext[i])!=-1)
		{
			return true;
		}
	}
	return false;
  }
 this.AddPreviewCss=function ()
 {
	var a=$("A");
	for(var i=0;i<a.length;i++)
	{
		if (this.PreviewCheckExt(a[i].id))
		{
			a[i].className="preview";
		}
	}
 }
// starting the script on page load
$(document).ready(function(){
	AddPreviewCss();
	imagePreview();
});