function getWindowWidth()
{
if (document.all) return document.body.clientWidth;
if (document.layers) return innerWidth;
return 800;
}

function getWindowHeight()
{
if (document.all) return document.body.clientHeight;
if (document.layers) return innerHeight;
return 800;
}

function getSctollTop()
{
var scrollTop=0;
if (window.pageYOffset){
		scrollTop = window.pageYOffset
} else if(document.documentElement && document.documentElement.scrollTop){
	scrollTop = document.documentElement.scrollTop;
} else if(document.body){
	scrollTop = document.body.scrollTop;
}
return scrollTop;
}

function getSctollLeft()
{
var scrollLeft=0;
if(window.pageXOffset){
	scrollLeft=window.pageXOffset
} else if(document.documentElement && document.documentElement.scrollLeft){
	scrollLeft=document.documentElement.scrollLeft;
   } else if(document.body){
	scrollLeft=document.body.scrollLeft;
}
return scrollLeft;
}

function getOptimalX(win_w)
{
	return (getWindowWidth()-win_w)/2;
}

function getOptimalY(win_y)
{
	return ((getWindowHeight()-win_y)/2)+getSctollTop();
}

function q_select(control,value)
{
	var ctrl = control;//document.getElementById(control);
	for(var i=0;i<ctrl.length;i++)
	if(ctrl.options[i].text==value) {
			ctrl.options[i].selected = "1";
			return;
		}
}

function q_select_by_val(control,value)
{
	alert(567); /*
	var ctrl = control;//document.getElementById(control);
	for(var i=0;i<ctrl.length;i++) {
		//alert(ctrl.options[i].value);
		if(ctrl.options[i].value==value) {
			ctrl.options[i].selected = "1";
			return;
		}
	}
	ctrl.options[0].selected = "1";
*/}