function chkText1()
	{					
		varEle1=document.getElementById('txtsearch');
		if (varEle1.value== "ENTER KEYWORD")
			{
				varEle1.value="";
				varEle1.focus();
			}
	}
function chkText2()
	{
		varEle1=document.getElementById('txtsearch');
		if (varEle1.value== "")
			{
				varEle1.value="ENTER KEYWORD";
			}
	}

function chkSearch()
	{
		varEle1=document.getElementById('txtsearch');
		if (varEle1.value== "ENTER KEYWORD")
			{
				alert("Please Type A Keyword")
				varEle1.focus();
			}
		else
			{
				var x="http://www.google.com/custom?cof=T:black;LW:771;L:http://www.prelabs.com/images/search_banner.jpg;LC:blue;LH:76;BGC:white;AH:center;VLC:red;S:http://www.prelabs.com;AWFID:96655def2451ac26;&q=";
				var y;
				t="&sitesearch=www.prelabs.com";
				var w="&sa=search";
				varEle1=document.getElementById('txtsearch')
				y=varEle1.value;
				var z=x+y+t+w;
				
				  popupWin = window.open(z,
				  'open_window','menubar=no,toolbar=no,location=no,directories=no,status=no,scrollbars,resizable,dependent,width=780,height=550,left=0,top=0')
				return false;
			}
	}