var loaded=false;
var self=Array();
var iPath='images/';

function preLoad()
{
	if(document.images)
	{
		var suffix=Array('','_a');
		var iExt='gif';
		var argLen = arguments.length;

		for(i=0;i<argLen;i++)
		{
			var arg = arguments[i];
			var sufLen = suffix.length;
			for(j=0;j<sufLen;j++)
			{
				var suf = suffix[j]
				self[arg + suf] = new Image();
				self[arg + suf].src = iPath + arg + suf + '.' + iExt;
			}
		}
		loaded = true;
	}
}

function rollOver(iFile,iState,iName,type)
{
	if(document.images && loaded)
	{
		if(!iName) iName=iFile;
		document.getElementById(iName).className='Button '+type+iState;
		for(i=1;i<3;i++)
			document.images[iName+i].src = self[iFile+i+iState].src;

	}
}