//	already have: script language=javascript
//	Global Javascript stuff

window.defaultStatus="Minnesota Thermal Science"

function changeImages() 
{
	document[changeImages.arguments[0]].src = eval(changeImages.arguments[1] + ".src");
}

function newImage(arg) 
{
	if (document.images) 
	{
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}



function openAndCenterWindow(urlToOpenInNewWindow,w,h)
{

	var vjNeedToOpenNewWindow=1;  //default: open new window
	
	// Does the window exist, or has it previously been opened?
	if(window.vjPopupWindow)
	{
		// Having once been opened, is it now closed?
		if(vjPopupWindow.closed)
		{
			vjNeedToOpenNewWindow=1   // closed, so open again
		}
		else
		{
			vjNeedToOpenNewWindow=0   // still open so set focus instead of open again
		}
	}
	
	else
	{
		vjNeedToOpenNewWindow=1   // never opened, so open new
	}
	
	
	if(vjNeedToOpenNewWindow == 0)
	{
		vjPopupWindow.focus()
	}
	else
	{

	var myScreenWidth = screen.width;
	var myScreenHeight= screen.height;
	
	var puWindowWidth	= (6*myScreenWidth)/8;
	var puWindowHeight	= (8*myScreenHeight)/10;

	var puLeft	= myScreenWidth/8;
	var puTop	= myScreenHeight/10;
		
	vjPopupWindow = window.open(urlToOpenInNewWindow,"myPopUpWindow", "width=" + puWindowWidth + ",height=" + puWindowHeight + " screenX=" + puLeft + ",left=" + puLeft	+ ",screenY=" + puTop + ",top=" + puTop + ",scrollbars=No,resizable=Yes")
	
	}
}