function check()
{
		
		 if (document.frm.name.value== "")
		  {
		      alert(" Please enter the your name");
			   document.frm.name.focus();
			   return false;
		  }
		 if (!isNaN(document.frm.name.value))
		  {
		      alert(" Please enter the alphanumeric value");
			   document.frm.name.focus();
			   return false;
		  }
		  
				email = document.frm.email.value;
       		if(email == "")
       		{
               alert("Please enter your e-mail.");
               document.frm.email.focus()
               document.frm.email.style.background = "#DFEEFF"
               return false;
       		}
       		else
       		{
               document.frm.email.style.background = "#FFFFFF"
               if (echeck(document.frm.email.value)==false)
               {
                       document.frm.email.value=""
                       document.frm.email.focus()
                       document.frm.email.style.background = "#DFEEFF"
                       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("Please enter a valid e-mail.")
                  return false
               }
               if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
                  alert("Please enter a valid e-mail.")
                  return false
               }
               if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
                   alert("Please enter a valid e-mail.")
                   return false
               }
                if (str.indexOf(at,(lat+1))!=-1){
                   alert("Please enter a valid e-mail.")
                   return false
                }
                if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
                   alert("Please enter a valid e-mail.")
                   return false
                }
                if (str.indexOf(dot,(lat+2))==-1){
                   alert("Please enter a valid e-mail.")
                   return false
                }
                if (str.indexOf(" ")!=-1){
                   alert("Please enter a valid e-mail.")
                   return false
                }
       }
		  if (document.frm.mobile.value== "")
		  {
		      alert(" Please Enter the mobile number");
			   document.frm.mobile.focus();
			   return false;
		}	
		if (isNaN(document.frm.mobile.value))
		  {
		      alert(" Please enter the numbers only");
			   document.frm.mobile.focus();
			   return false;
		  }
		  var mob=document.frm.mobile.value;
		
		 if (mob.length!=10)
		  {
		      alert(" Please enter the 10 digit numbers only");
			   document.frm.mobile.focus();
			   return false;
		  }
		
	}