function ShowDiv(dvID,ifID,formWidth,formHeight){
	var screenWidth = 0, screenHeight = 0;
	
	if( typeof( window.innerWidth ) == 'number' ) {
		screenWidth = window.innerWidth; screenHeight = window.innerHeight;
	} else if( document.documentElement && ( document.documentElement.clientWidth ||document.documentElement.clientHeight ) ) {
		screenWidth = document.documentElement.clientWidth; screenHeight = document.documentElement.clientHeight;
	} else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
		screenWidth = document.body.clientWidth; screenHeight = document.body.clientHeight;
	}

	var scrollWidth = 0, scrollHeight = 0;
	
	if( typeof( window.pageYOffset ) == 'number' ) {
		scrollHeight = window.pageYOffset; scrollWidth = window.pageXOffset;
	} else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
		scrollHeight = document.body.scrollTop; scrollWidth = document.body.scrollLeft;
	} else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
		scrollHeight = document.documentElement.scrollTop; scrollWidth = document.documentElement.scrollLeft;
	}
	
	if (document.layers) {
		var elmDIV = document.layers[dvID].style;
		var elmIFRAME = document.layers[ifID].style;
	} else if (document.all) {
		var elmDIV = document.all[dvID].style;
		var elmIFRAME = document.all[ifID].style;
	} else if (document.getElementById) {
		var elmDIV = document.getElementById(dvID).style;
		var elmIFRAME = document.getElementById(ifID).style;
	}
	
	

	var sLeft = (scrollWidth - (formWidth / 2)) + (screenWidth / 2)
	var sTop = (scrollHeight - (formHeight / 2)) + (screenHeight / 2);
	
	
	//alert(sLeft);
	
	elmIFRAME.left =  sLeft+"px";
	elmIFRAME.top = sTop+"px";
	elmIFRAME.visibility = 'visible';
	elmIFRAME.display = 'block';
	
	elmDIV.left = sLeft+"px";
	elmDIV.top = sTop+"px";
	elmDIV.visibility = 'visible';
	elmDIV.display = 'block';

	
}


function HideDiv(dvID,ifID){
	
	try
	{				
		
		if (document.layers) {
			var elmDIV = document.layers[dvID].style;
			var elmIFRAME = document.layers[ifID].style;
		} else if (document.all) {
			var elmDIV = document.all[dvID].style;
			var elmIFRAME = document.all[ifID].style;
		} else if (document.getElementById) {
			var elmDIV = document.getElementById(dvID).style;
			var elmIFRAME = document.getElementById(ifID).style;
		}
	
		elmDIV.left = -1000;
		elmDIV.top = -1000;
		elmDIV.visibility = 'hidden';
		elmDIV.display = 'none';		
	
		elmIFRAME.left = 1000;
		elmIFRAME.top = -1000;
		elmIFRAME.visibility = 'hidden';
		elmIFRAME.display = 'none';
	}
	catch(e)
 	{	
		//alert('err');
		return;
	}		
}

function getBrowserObject(sID){
	var retOBJ = document.layers ? document.layers[sID] :
	document.getElementById ?  document.getElementById(sID) :
	document.all[sID];
	
	if(retOBJ){
		return retOBJ;
	}else{
		//alert(sID + ' is not an object');
		return false;
	}
	
}