function setEPrice(){
			var frm=document.getElementById("from").value;
			var to=document.getElementById("to").value;
			frm=Number(frm);
			to=Number(to);
			
			if(frm>0 )
			{
			document.getElementById("to").value=frm*28;
			}
			else
			{
			alert("Please Enter only numeric value .");
			}
			
			}
			
			function setCPrice(){
			var frm=document.getElementById("from").value;
			var to=document.getElementById("to").value;
			frm=Number(frm);
			to=Number(to);
			
			if(to>0 )
			{
			document.getElementById("to").value=from/28;
			}
			else
			{
			alert("Please Enter only numeric value in both box.");
			}
			
			}
			
			
			function chkPrice(val){
			//alert(val);
				var e=document.getElementById("er").value;
				var c=document.getElementById("cz").value;
			
			if(val=='e'){
			if(e==0)
			document.getElementById("cz").selectedIndex="1";
			if(e==1)
			document.getElementById("cz").selectedIndex="0";
			}
			
			if(val=='c'){
			if(e==0)
			document.getElementById("er").selectedIndex="1";
			if(e==1)
			document.getElementById("er").selectedIndex="0";
			}
			
			var e=document.getElementById("er").value;
				var c=document.getElementById("cz").value;
			if(e==c)			
			document.getElementById("to").value=document.getElementById("from").value;
			
			if((e==0)  && (c==1))	
			document.getElementById("to").value=document.getElementById("to").value*document.getElementById("from").value;
			
			if((e==1)  && (c==0)){	
			//alert("first");
			document.getElementById("to").value=document.getElementById("from").value/28;
			}
			
			if((e==0)  && (c==1)){
			//alert("second");
			document.getElementById("to").value=document.getElementById("from").value*28;			
			}
			}