function formcheck() 
    {
		if(trim(document.form1.nametxt.value)=="" || trim(document.form1.companynametxt.value)=="" || trim(document.form1.detailedaddresstxt.value)=="" || trim(document.form1.emailaddresstxt.value)=="" || trim(document.form1.teltxt.value)=="")
		{
			if(trim(document.form1.nametxt.value)=="")
			 { alert("Invalid Name!");
			   document.form1.nametxt.focus();
			   document.form1.nametxt.select(); 
			 }
			 if(trim(document.form1.companynametxt.value)=="")
            { alert("Invalid Company Name!");
              document.form1.companynametxt.focus();
		     document.form1.companynametxt.select(); 
		   
            }
		 if(trim(document.form1.detailedaddresstxt.value)=="")
         { alert("Invalid Detailed Address!");
           document.form1.detailedaddresstxt.focus();
		   document.form1.detailedaddresstxt.select(); 
		   
         }
		 if(trim(document.form1.emailaddresstxt.value)=="")
         { alert("Invalid Email Address!");
           document.form1.emailaddresstxt.focus();
		   document.form1.emailaddresstxt.select(); 
		   
         }
		 if(trim(document.form1.teltxt.value)=="")
         { alert("Invalid Tel/Fax!");
           document.form1.teltxt.focus();
		   document.form1.teltxt.select(); 
		   
         }
			
			}
		else
		{
			document.form1.submit();
		}
	}