function crsite(form)
{ 
  
for (var i=0; i < form.elements.length - 1; i++){
        
        
        if (form.elements[i].value.indexOf("<") >=0)
        {
              alert("Invalid characters in the field!")
              form.elements[i].focus()
              form.elements[i].select()
              return false
        }   
        if (form.elements[i].value.indexOf(">") >=0)
        {
              alert("Invalid characters in the field!")
              form.elements[i].focus()
              form.elements[i].select()
              return false
        }   
	if (form.elements[i].value.indexOf("'") >=0)
        {
              alert("Invalid characters in the field!")
              form.elements[i].focus()
              form.elements[i].select()
              return false
        }   
        
        if (form.elements[i].value.indexOf("`") >=0)
        {
              alert("Invalid characters in the field!")
              form.elements[i].focus()
              form.elements[i].select()
              return false
        } 
	if (form.elements[i].value.indexOf("--") >=0)
        {
              alert("Invalid characters in the field!")
              form.elements[i].focus()
              form.elements[i].select()
              return false
        }     
	if (form.elements[i].value.indexOf("+") >=0)
        {
              alert("Invalid characters in the field!")
              form.elements[i].focus()
              form.elements[i].select()
              return false
        }
	if (form.elements[i].value.indexOf("</") >=0)
        {
              alert("Invalid characters in the field!")
              form.elements[i].focus()
              form.elements[i].select()
              return false
        }     
	if (form.elements[i].value.indexOf(";") >=0)
        {
              alert("Invalid characters in the field!")
              form.elements[i].focus()
              form.elements[i].select()
              return false
        }       
        if (form.elements[i].value.indexOf(",") >=0)
        {
              alert("Invalid characters in the field!")
              form.elements[i].focus()
              form.elements[i].select()
              return false
        }    
 }
return true
}