function checkform(){

			 if(document.form.Username.value=="")
				   {
						alert("Please enter Your user name");
						document.form.Username.focus();
						return false;
				   }	
			   
			    if(document.form.Password.value=="")
				   {
						alert("Please enter Your Password");
							document.form.Password.focus();
						return false;
				   }	
			   
			   
			   
			   
	 if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,5})+$/.test(document.form.email.value))
										{
												//return (true)
										}
									  else
										 {
											alert("Invalid E-mail Address! Please re-enter.")
											document.form.email.focus();
											return (false);
										}
								
		
		if(document.form.URL.value==false)
       			    {
		        alert("Please enter Url");
				document.form.URL.focus();
				return false 		   
		   			}
		if(document.form.URL.value.search(/^http:\/\/[\w\d\-\.]+\.[\w\d\-\.]+/) == -1 )
        			{
      			  alert("Please enter correct URL");
	   			 document.form.URL.focus();
       			 return false;
      		 }
	
if(document.form.Title.value==false)
           {
		         alert("Please enter Title");
				document.form.Title.focus();
				return false 		   
		    }	
	                                         
if(document.form.Description.value==false)
           {
		         alert("Please enter Banner Description");
				document.form.Description.focus();
				return false 		   
		    }				                                               
	
	if(document.form.Banner_URL.value==false)
       			    {
		        alert("Please enter Banner URL");
				document.form.Banner_URL.focus();
				return false 		   
		   			}
		if(document.form.Banner_URL.value.search(/^http:\/\/[\w\d\-\.]+\.[\w\d\-\.]+/) == -1 )
        			{
      			  alert("Please enter correct Banner URL");
	   			 document.form.Banner_URL.focus();
       			 return false;
      		    }
				
		if(document.form.Banner_Width.value==false)
       			    {
		        alert("Please enter Banner Width");
				document.form.Banner_Width.focus();
				return false 		   
		   			}		                                  
					
		if(document.form.Banner_Height.value==false)
       			    {
		        alert("Please enter Banner Height");
				document.form.Banner_Height.focus();
				return false 		   
		   			}
					
			if((document.form.security_code.value == "Enter above security code.") ||(document.form.security_code.value == ""))
                        {
                         alert("Please enter security code");
                         document.form.security_code.focus();
                         return false;
                        }
				
			
			}