function toggle(div_id) {
	var el = document.getElementById(div_id);
	if ( el.style.display == 'none' ) {	el.style.display = 'block';}
	else {el.style.display = 'none';}
}
function blanket_size(popUpDivVar) {
	if (typeof window.innerWidth != 'undefined') {
		viewportheight = window.innerHeight;
	} else {
		viewportheight = document.documentElement.clientHeight;
	}
	if ((viewportheight > document.body.parentNode.scrollHeight) && (viewportheight > document.body.parentNode.clientHeight)) {
		blanket_height = viewportheight;
	} else {
		if (document.body.parentNode.clientHeight > document.body.parentNode.scrollHeight) {
			blanket_height = document.body.parentNode.clientHeight;
		} else {
			blanket_height = document.body.parentNode.scrollHeight;
		}
	}
	var blanket = document.getElementById('blanket');
	blanket.style.height = blanket_height + 'px';
	var popUpDiv = document.getElementById(popUpDivVar);
	popUpDiv_height=blanket_height/2-150;//150 is half popup's height
	popUpDiv.style.top = 210 + 'px';
}
function window_pos(popUpDivVar) {
	if (typeof window.innerWidth != 'undefined') {
		viewportwidth = window.innerHeight;
	} else {
		viewportwidth = document.documentElement.clientHeight;
	}
	if ((viewportwidth > document.body.parentNode.scrollWidth) && (viewportwidth > document.body.parentNode.clientWidth)) {
		window_width = viewportwidth;
	} else {
		if (document.body.parentNode.clientWidth > document.body.parentNode.scrollWidth) {
			window_width = document.body.parentNode.clientWidth;
		} else {
			window_width = document.body.parentNode.scrollWidth;
		}
	}
	var popUpDiv = document.getElementById(popUpDivVar);
	window_width=window_width/2-300;//225 is half popup's width
	popUpDiv.style.left = window_width + 'px';
}
function popup(windowname,e) {
	var htwidth = getMousePosition(e);
	blanket_size(windowname);
	window_pos(windowname);
	toggle('blanket');
	toggle(windowname);
	var hw=htwidth.split('$')
	document.getElementById(windowname).style.top=hw[1]+"px";
	document.getElementById(windowname).style.left=hw[0]+"px";
			
}
function popuplogin(windowname) {
	
	blanket_size(windowname);
	window_pos(windowname);
	toggle('blanket');
	toggle(windowname);
}
function popupemail(windowname) {
		
	
	blanket_size(windowname);
	window_pos(windowname);
	toggle(windowname);		
	
}
function getMousePosition(e) //this function get postion of mouse click with scroll
{
    var IE = document.all?true:false
    if (!IE) document.captureEvents(Event.MOUSEDOWN)
    var tempX="0";
    var tempY="0";

    if(IE)
    {
        var de = document.documentElement;
        var b = document.body;
        Height = document.documentElement.clientHeight
        tempX = e.clientX + 
        (de.scrollLeft || b.scrollLeft) - (de.clientLeft || 0);
        tempY = e.clientY + 
        (de.scrollTop || b.scrollTop) - (de.clientTop || 0);    
        tempX=tempX-850;
        tempY=tempY -400;
    }
    else
    {
        tempX = e.pageX-200;
        tempY = e.pageY-400;
    }
        return tempX+"$"+tempY;
}
