function validate(){
			if(document.frmFeedBack.txtName.value==""){
				alert("Please Enter Your Name");
				document.frmFeedBack.txtName.focus();
				return false;
			}
			if(document.frmFeedBack.txtEmail.value==""){
				alert("Please Enter Email Address");
				document.frmFeedBack.txtEmail.focus();
				return false;
			}
			if(eCheck(document.frmFeedBack.txtEmail.value)==false) {
				document.frmFeedBack.txtEmail.focus();
				return false;
			}

			if(document.frmFeedBack.txtCompany.value==""){
				alert("Please Enter Company Name");
				document.frmFeedBack.txtCompany.focus();
				return false;
			}
			
			if(document.frmFeedBack.txtDescription.value==""){
				alert("Please Enter Description");
				document.frmFeedBack.txtDescription.focus();
				return false;
			}
		}
			function eCheck(str) {
		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Invalid E-mail ID")
		   return false
		}

	
		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr  ){
		    alert("Invalid E-mail ID")
		    return false
		}

		if( str.indexOf(dot) == lstr-1  || str.indexOf(dot) == lstr-2){
			 alert("Invalid E-mail ID")
		    return false
		}
		
		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail ID")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

 		 return true				
	}