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("Kindly enter a valid e-mail")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Kindly enter a valid e-mail")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Kindly enter a valid e-mail")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Kindly enter a valid e-mail")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Kindly enter a valid e-mail")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Kindly enter a valid e-mail")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Kindly enter a valid e-mail")
		    return false
		 }
 		 					
	}	
		
function check()
{
	if(enter.blogs1.value=='')
	{
		alert("Enter Your Name");
		enter.blogs1.focus();
		return false;		
	}
	else if(echeck(enter.blogs2.value)=='')
	{					
		enter.blogs2.focus();
		return false;
	}
	 else if(enter.Phones.value=='')
	{
		alert("Enter Your Phone Number");
		enter.Phones.focus();
		return false;		
	}
	 else if(isNaN(enter.Phones.value))
	 {
			alert("Enter a valid Phone number");
			enter.Phones.focus();
			enter.Phones.value=""
			return false;
	 }
	 else if(enter.blogs3.value=='')
	{
		alert("Enter Your City");
		enter.blogs3.focus();
		return false;		
	}
	else if(enter.Ss1.value=='')
	{
		alert("Enter Your Details of Service");
		enter.Ss1.focus();
		return false;		
	}
	var iChars = "!@#$%^&*()+=-[]\\\';./{}|\":<>?"; 
        for (var i = 0; i < enter.Ss1.value.length; i++)
		 { 
                if (iChars.indexOf(enter.Ss1.value.charAt(i)) != -1)
				 { 
                alert ("The box has special characters. \nThese are not allowed.\n"); 
                return false; 
        } 
                } 

}