var flag = false; 
function DrawImage(ImgD)
{ 
	 var image = new Image(); 
	 image.src = ImgD.src; 
	 if(image.width > 0 && image.height > 0)
	 { 
	  	flag = true; 
	  	if(image.width/image.height>130/110)
		{ 
	   		if(image.width > 130)
			{
				ImgD.width = 130; 
				ImgD.height=(image.height*130)/image.width; 
	   		}
	   		ImgD.alt = "点击查看详细信息..."; 
		  } 
		  else
		  { 
			   if(image.height > 110)
			   {
					ImgD.height = 110; 
					ImgD.width=(image.width*110)/image.height; 
		   		} 
		   		ImgD.alt = "点击查看详细信息..."; 
		  } 
 	}
}

function DrawRollPicture()
{
	var imgStr   = "images/sort3/product.gif|images/32.jpg|images/33.jpg|images/34.jpg|images/35.jpg";
	var urlStr   = "../htm/gongye.htm|../htm/shuileng.htm|../htm/fengleng.htm|../htm/shuileng.htm|../htm/fengleng.htm";
	var titleStr = ""
	var imgArr   = imgStr.split("|");
	var urlArr   = urlStr.split("|");
	var titleArr = titleStr.split("|");
	with(document)
	{
		write("<div align='center' id='demo' style='overflow:hidden;height:139px;width:583px;'><!--滚动区的高度和宽度-->");
		write("<table align='center' cellpadding='0' cellspace='0' border='0'>");
		write("<tr>");
		write("		<td id='demo1'>");
		write("<table align='center' cellpadding='0' cellspace='0' border='0'>");
		write("<tr>");
		for (var i = 0; i < imgArr.length; i++)
		{
			write("		<td>");
			write("		<table width='163' height='139' border='0' cellpadding='0' cellspacing='0'>");
			write("        	<tr>");
			write("        		<td align='center' background='images/index_right_bg.jpg'>");
			write("							<a href='"+urlArr[i]+"' target=_blank title='"+titleArr[i]+"'>");
			write("	<img src='"+imgArr[i]+"' alt='' border='0' onload='javascript:DrawImage(this);'>");
			write("							</a>");
			write("				</td>");	
			write("      		</tr>");
			write("    	</table>");	
			write("		</td>");
		}
		write("</tr>");
		write("</table>");
		write("		</td>");
		write("		<td id='demo2'></td>");
		write("</tr>");
		write("</table></div>");
		
		write("<script>");
		write("    var Picspeed=15;");
		write("    demo2.innerHTML = demo1.innerHTML;");
		write("    function Marquee1()");
		write("    {");
		write("			if(demo2.offsetWidth - demo.scrollLeft <= 0){");
		write("  			demo.scrollLeft-=demo1.offsetWidth;}");
		write("			else");
		write("			{");
		write("				demo.scrollLeft++;");
		write("			}");
		write("		}");
		write("		var MyMar1 = setInterval(Marquee1,Picspeed);");
		write("		demo.onmouseover = function() {clearInterval(MyMar1);};");
		write("		demo.onmouseout  = function() {MyMar1=setInterval(Marquee1,Picspeed);};");
		write("</script>");
	}
}