function validate(){
 if(document.form1.name.value=="") {
 	alert ("Please Enter Your Name");
 	document.form1.name.focus();
 	return false;
 	}
 if(document.form1.email.value=="") {
 	alert ("Please Enter Your Email ID");
 	document.form1.email.focus();
 	return false;
 	}
if(document.form1.email.value.indexOf("@")<=0 || document.form1.email.value.indexOf(".")<= 0 || document.form1.email.value.length<7){
 	document.form1.email.value=trim(document.form1.email.value);
 	alert("Please Enter Valid Email ID!");
 	document.form1.email.focus();
 	return false;
 	}
 	var str=document.form1.email.value;
 	for(var i=0;i<str.length;i++)
 	{
 		var ch=str.substring(i,i+1);
 		if((ch<"a"||ch>"z")&&(ch<"A"||ch>"Z")&&(ch<"0"||ch>"9")&&(ch!=".")&&(ch!="@")&&(ch!="_")&&(ch!="-"))
 		{
 			document.form1.email.value=trim(document.form1.email.value);
 			alert("Invalid email address");
 			document.form1.email.focus();
 	}

}	
 if(document.form1.phone.value=="") {
 	alert ("Please Enter Your Phone");
 	document.form1.phone.focus();
 	return false;
 	}
 function trim(val)
 {
 	for(i=0;i<val.length;i++)
 	{
 		if(val.substring(i,i+1)!=" ")
 		{
 			val=val.substring(i,val.length);
 			break;
 		}
 		if(i==val.length-1)
 		val="";
 	}
 	len=val.length-1;
 	for(i=len;i>-1;i--)
 	{
 		if(val.substring(i,i+1)!=" ")
 		{
 			val=val.substring(0,i+1);
 			break;
 		}
 	}
 	return val;
	}
}