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>= 280/180){ 
if(image.width>280){ 
ImgD.width=280; 
ImgD.height=(image.height*280)/image.width; 
}else{ 
ImgD.width=image.width; 
ImgD.height=image.height; 
} 
ImgD.alt=image.width+"x"+image.height; 
} 
else{ 
if(image.height>180){ 
ImgD.height=180; 
ImgD.width=(image.width*180)/image.height; 
}else{ 
ImgD.width=image.width; 
ImgD.height=image.height; 
} 
ImgD.alt=image.width+"x"+image.height; 
} 
} 
} 


function IMicon(s,t){
		if(s!=""){
		switch (t) {
		   case "qq" :
		   		document.write( "<a target=blank href=tencent://message/?uin="+s+"&Site=texindex&Menu=yes><img border=0 SRC=http://wpa.qq.com/pa?p=1:"+s+":4 alt=点击这里用QQ和我联系  height=16 ></a>");
				return
		   case "msn" :
		   		document.write( "<a href=msnim:chat?contact="+s+"><img src=http://www.texindex.com.cn/images/msn.gif border=0 alt=click here to contenct me /></a>" );
		   		return
		   case "skype" :
		   		document.write("<a href=skype:"+s+"?call onclick=\"return skypeCheck();\"><img src=http://www.texindex.com.cn/images/skype.gif style=\"border: none;\" alt=点击这里用Skype和我联系 /></a>");
		   		return
		}
		}
}