///////////////////////////////////////////////////////////////////////
// JavaScript Utilies
// Written for Tyco Fire Products Web site (http://www.tycofireproducts.co.uk)
// on behalf of MAD Agency
// (C) Q-ten 2000  
///////////////////////////////////////////////////////////////////////



var preloadFlag = false;
function preloadImages() {
if (document.images)  {
	// next load images
	
		blankpic=new Image();
		blankpic.src = 'graphics/pictureblank.gif';
	
	
		aboutover=new Image();
		aboutover.src = 'graphics/aboutbutover.gif';
		aboutout=new Image();
		aboutout.src = 'graphics/aboutbutout.gif';
		aboutpic=new Image();
		aboutpic.src = 'graphics/pictureabout.gif';
		
		brochover=new Image();
		brochover.src = 'graphics/brochbutover.gif';
		brochout=new Image();
		brochout.src = 'graphics/brochbutout.gif';
		brochpic=new Image();
		brochpic.src = 'graphics/picturebroch.gif';
		
		prodover=new Image();
		prodover.src = 'graphics/prodbutover.gif';
		prodout=new Image();
		prodout.src = 'graphics/prodbutout.gif';
		prodpic=new Image();
		prodpic.src = 'graphics/pictureprod.gif';
		
		videoover=new Image();
		videoover.src = 'graphics/videobutover.gif';
		videoout=new Image();
		videoout.src = 'graphics/videobutout.gif';
		videopic=new Image();
		videopic.src = 'graphics/picturevid.gif';
		
		trainover=new Image();
		trainover.src = 'graphics/trainbutover.gif';
		trainout=new Image();
		trainout.src = 'graphics/trainbutout.gif';
		trainpic=new Image();
		trainpic.src = 'graphics/picturetrain.gif';
		
		litover=new Image();
		litover.src = 'graphics/litbutover.gif';
		litout=new Image();
		litout.src = 'graphics/litbutout.gif';
		litpic=new Image();
		litpic.src = 'graphics/picturelit.gif';
		
		matover=new Image();
		matover.src = 'graphics/matbutover.gif';
		matout=new Image();
		matout.src = 'graphics/matbutout.gif';
		matpic=new Image();
		matpic.src = 'graphics/picturemat.gif';
		
		linkover=new Image();
		linkover.src = 'graphics/linksbutover.gif';
		linkout=new Image();
		linkout.src = 'graphics/linksbutout.gif';
		linkpic=new Image();
		linkpic.src = 'graphics/picturelinks.gif';
		
		

		
		preloadFlag = true;

		}
}

// functions that do MouseOvers and MouseOut calls

function rollovers(imName,imSource) {
		if (document.images && (preloadFlag == true)) {
		document[imName].src=eval(imSource + ".src");
	}
}


	
function doubleroll(oneName,oneSource,twoName,twoSource) {
		if (document.images && (preloadFlag == true)) {
		document[oneName].src=eval(oneSource + ".src");
		document[twoName].src=eval(twoSource + ".src");
		}
	}