JavaScript Function to Trim (Left) Off the Arguments of a URL
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function DoStrLeft(origstr, trimchar) {
	// looks for match of trimchar in origstr, if found returns portion to left, if not found, returns origstr
	var pos;
	var tmpString = new String(origstr)
	// get position for trim
	pos = tmpString.indexOf(trimchar);
	if (pos== -1) {
		// not found, return original str
		return origstr;
	} else {
		// found, return trimmed portion
		return tmpString.substring(0, pos);
	}
}


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Example of Delete Button JS Code:
(button code calls above function, above function in JSHeader)


if(confirm( 'Are you sure you want to delete this project information form?') == true) {
	var URL = DoStrLeft(document.location.pathname, "!");
	URL = DoStrLeft(URL, "?");
	var URLDelete = URL+'!DeleteDocument';
	window.location.href = URLDelete
}