function $(obj){return document.getElementById(obj);}
function isEmail(strEmail) {
    if (strEmail.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1)
        return true;
    else
        return false;
}

function showImg(tImg,tI){
	if(tImg!=""){
		if(tI=="1"){
			$("bigImg").style.display = "block";
			$("bigImg").innerHTML = '<img src="' + tImg + '" border=0 width="400" onload="DrawImage(this,400,400)" />';
			$("bigImg").style.left = document.body.scrollLeft + event.clientX + 10 + "px";
		}else{
			$("bigImg").innerHTML = "";
			$("bigImg").style.display = "none";
		}
	}
}

var flag=false;
function DrawImage(ImgD,ImgW,ImgH){
	var image=new Image();
	var iwidth = ImgW;
	var iheight = ImgH;
	image.src=ImgD.src;
	if(image.width>0 && image.height>0){
	flag=true;
	if(image.width/image.height>= iwidth/iheight){
		if(image.width>iwidth){  
		ImgD.width=iwidth;
		ImgD.height=(image.height*iwidth)/image.width;
		}else{
		ImgD.width=image.width;  
		ImgD.height=image.height;
		}
		}
	else{
		if(image.height>iheight){  
		ImgD.height=iheight;
		ImgD.width=(image.width*iheight)/image.height;		
		}else{
		ImgD.width=image.width;  
		ImgD.height=image.height;
		}
		}
	}
}